59

Lesson 59 of 84 ยท Plate Tectonics

Experiment

Climate Zones of the World (Part 2)

What You'll Learn

Climate change refers to long-term shifts in temperature and weather patterns. Human activities, especially burning fossil fuels, have increased greenhouse gases and accelerated warming.

Key Words

  • fossil
  • mineral
  • climate

Materials Needed

  • cups
  • thermometer
  • rain gauge
  • cotton balls
  • food coloring

Safety First

  • Wear safety goggles when mixing liquids.
  • Wash hands after handling materials.
  • Be careful with scissors โ€” ask an adult for help if needed.

Steps

Step 1 โ€” Read

Review the background information on Plate Tectonics before starting.

Step 2 โ€” Do

Investigate soil layers: fill a jar with soil and water, shake it, and let it settle overnight. Identify the layers of clay, silt, sand, and organic matter.

Step 3 โ€” Observe

Use your senses (except taste) to describe what you notice.

Step 4 โ€” Record

Write a summary of your findings in 3-5 sentences.

Check Your Understanding

Question 1

1 of 3

What is the greenhouse effect?